S
M
T
W
T
F
S
26
97°
77°
27
98°
77°
28
98°
76°
29
97°
76°
30
98°
75°
31
98°
76°
1
97°
77°
2
98°
75°
3
96°
69°
4
93°
70°
5
95°
73°
6
96°
71°
7
99°
77°
8
98°
73°
9
98°
72°
10
92°
76°
11
98°
76°
12
99°
73°
13
97°
71°
14
92°
71°
15
93°
76°
16
95°
75°
17
96°
71°
18
94°
70°
19
91°
75°
20
94°
74°
21
91°
74°
22
96°
73°
23
96°
73°
24
95°
70°
25
93°
71°
26
91°
70°
27
92°
68°
28
88°
69°
29
89°
72°
30
91°
72°
31
88°
68°
1
88°
66°
2
88°
66°
3
88°
69°
4
91°
68°
5
91°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Prosper
Prosper's August 2026 forecast shows daily high temperatures ranging from 88° to 99°, with overnight lows between 66° and 77°. The average high for August is 94° with an average low of 72°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Prosper. See also: September | October | November.
